To be clear no back door does exist but if one was available would Apple be in the wrong or right to hand it over to the FBI?
Apple did point out “The government suggests this tool could only be used once, on one phone. But that’s simply not true. Once created, the technique could be used over and over again, on any number of devices”.
It’s highly possible that the Judge in question did not fully understand the implications of ordering Apple to assist the FBI in decrypting the phone.
The one thing that is for sure is this battle is far from over